gboolean go(gpointer user_data)
{
cmdline *cmd = user_data;
Control* control = object_get_control((Object*)cmd->user_data);
#ifdef __arm__
reg_init();
#endif
control_emit_goto_system_state(control,"BMC_STARTING");
//g_main_loop_quit(cmd->loop);
return FALSE;
}
static gboolean
on_set_power_state(ControlPower *pwr,
GDBusMethodInvocation *invocation,
guint state,
gpointer user_data)
{
Control* control = object_get_control((Object*)user_data);
if(state > 1)
{
g_dbus_method_invocation_return_dbus_error(invocation,
"org.openbmc.ControlPower.Error.Failed",
"Invalid power state");
return TRUE;
}
// return from method call
control_power_complete_set_power_state(pwr,invocation);
if(state == control_power_get_state(pwr))
{
g_print("Power already at requested state: %d\n",state);
}
else
{
int error = 0;
do {
if(state == 1) {
control_emit_goto_system_state(control,"HOST_POWERING_ON");
} else {
control_emit_goto_system_state(control,"HOST_POWERING_OFF");
}
error = gpio_open(&power_pin);
if(error != GPIO_OK) { break; }
error = gpio_write(&power_pin,!state);
if(error != GPIO_OK) { break; }
gpio_close(&power_pin);
control_power_set_state(pwr,state);
} while(0);
if(error != GPIO_OK)
{
printf("ERROR PowerControl: GPIO set power state (rc=%d)\n",error);
}
}
return TRUE;
}
static gboolean
on_boot (ControlHost *host,
GDBusMethodInvocation *invocation,
gpointer user_data)
{
// TODO: Add error checking
g_print("Do Boot\n");
int rc = GPIO_OK;
Control* control = object_get_control((Object*)user_data);
control_host_complete_boot(host,invocation);
do {
rc |= gpio_open(&fsi_clk);
rc |= gpio_open(&fsi_data);
rc |= gpio_open(&fsi_enable);
rc |= gpio_open(&cronus_sel);
if (rc!=GPIO_OK) { break; }
rc = gpio_write(&cronus_sel,1);
//putcfam pu 281c 30000000 -p0
char a[] = "000011111111110101111000111001100111111111111111111111111111101111111111";
//putcfam pu 281c B0000000 -p0
char b[] = "000011111111110101111000111000100111111111111111111111111111101101111111";
gpio_write(&fsi_enable,1);
gpio_write(&fsi_clk,1);
gpio_write(&fsi_data,1);
gpio_clock_cycle(&fsi_clk,5000);
gpio_write(&fsi_data,0);
gpio_clock_cycle(&fsi_clk,256);
gpio_write(&fsi_data,1);
gpio_clock_cycle(&fsi_clk,50);
uint16_t i=0;
for(i=0;i<strlen(a);i++) {
gpio_writec(&fsi_data,a[i]);
gpio_clock_cycle(&fsi_clk,1);
}
gpio_write(&fsi_data,1); /* Data standby state */
gpio_clock_cycle(&fsi_clk,5000);
for(i=0;i<strlen(b);i++) {
gpio_writec(&fsi_data,b[i]);
gpio_clock_cycle(&fsi_clk,1);
}
gpio_write(&fsi_data,1); /* Data standby state */
gpio_clock_cycle(&fsi_clk,2);
gpio_write(&fsi_clk,0); /* hold clk low for clock mux */
gpio_write(&fsi_enable,0);
gpio_clock_cycle(&fsi_clk,16);
gpio_write(&fsi_clk,0); /* Data standby state */
} while(0);
if (rc != GPIO_OK)
{
printf("ERROR HostControl: GPIO sequence failed (rc=%d)\n",rc);
}
gpio_close(&fsi_clk);
gpio_close(&fsi_data);
gpio_close(&fsi_enable);
gpio_close(&cronus_sel);
control_emit_goto_system_state(control,"HOST_BOOTING");
control_host_emit_booted(host);
return TRUE;
}
// TODO: Change to interrupt driven instead of polling
static gboolean
poll_pgood(gpointer user_data)
{
ControlPower *control_power = object_get_control_power((Object*)user_data);
Control* control = object_get_control((Object*)user_data);
//send the heartbeat
guint poll_int = control_get_poll_interval(control);
if(poll_int == 0)
{
printf("ERROR PowerControl: Poll interval cannot be 0\n");
return FALSE;
}
//handle timeout
time_t current_time = time(NULL);
if(difftime(current_time,pgood_timeout_start) > control_power_get_pgood_timeout(control_power)
&& pgood_timeout_start != 0)
{
printf("ERROR PowerControl: Pgood poll timeout\n");
// set timeout to 0 so timeout doesn't happen again
control_power_set_pgood_timeout(control_power,0);
pgood_timeout_start = 0;
return TRUE;
}
uint8_t gpio;
int rc = gpio_open(&pgood);
rc = gpio_read(&pgood,&gpio);
gpio_close(&pgood);
if(rc == GPIO_OK)
{
//if changed, set property and emit signal
if(gpio != control_power_get_pgood(control_power))
{
control_power_set_pgood(control_power,gpio);
if(gpio==0)
{
control_power_emit_power_lost(control_power);
control_emit_goto_system_state(control,"HOST_POWERED_OFF");
rc = gpio_open(&pcie_reset);
rc = gpio_write(&pcie_reset,0);
gpio_close(&pcie_reset);
rc = gpio_open(&usb_reset);
rc = gpio_write(&usb_reset,0);
gpio_close(&usb_reset);
}
else
{
control_power_emit_power_good(control_power);
control_emit_goto_system_state(control,"HOST_POWERED_ON");
rc = gpio_open(&pcie_reset);
rc = gpio_write(&pcie_reset,1);
gpio_close(&pcie_reset);
rc = gpio_open(&usb_reset);
rc = gpio_write(&usb_reset,1);
gpio_close(&usb_reset);
}
}
} else {
printf("ERROR PowerControl: GPIO read error (gpio=%s,rc=%d)\n",pgood.name,rc);
//return false so poll won't get called anymore
return FALSE;
}
//pgood is not at desired state yet
if(gpio != control_power_get_state(control_power) &&
control_power_get_pgood_timeout(control_power) > 0)
{
if(pgood_timeout_start == 0 ) {
pgood_timeout_start = current_time;
}
}
else
{
pgood_timeout_start = 0;
}
return TRUE;
}
static gboolean
on_boot(ControlHost *host,
GDBusMethodInvocation *invocation,
gpointer user_data)
{
int rc = GPIO_OK;
GDBusProxy *proxy;
GError *error = NULL;
GVariant *result = NULL;
GDBusConnection *connection =
g_dbus_object_manager_server_get_connection(manager);
if(control_host_get_debug_mode(host)==1)
{
g_print("Enabling debug mode; not booting host\n");
rc |= gpio_open(&fsi_enable);
rc |= gpio_open(&cronus_sel);
rc |= gpio_write(&fsi_enable,1);
rc |= gpio_write(&cronus_sel,0);
if(rc!=GPIO_OK) {
g_print("ERROR enabling debug mode: %d\n",rc);
}
return TRUE;
}
g_print("Booting host\n");
Control* control = object_get_control((Object*)user_data);
control_host_complete_boot(host,invocation);
do {
rc = gpio_open(&fsi_clk);
rc |= gpio_open(&fsi_data);
rc |= gpio_open(&fsi_enable);
rc |= gpio_open(&cronus_sel);
rc |= gpio_open(&Throttle);
rc |= gpio_open(&idbtn);
if(rc!=GPIO_OK) { break; }
//setup dc pins
rc = gpio_write(&cronus_sel,1);
rc |= gpio_write(&fsi_enable,1);
rc |= gpio_write(&fsi_clk,1);
rc |= gpio_write(&Throttle,1);
rc |= gpio_write(&idbtn,0);
if(rc!=GPIO_OK) { break; }
//data standy state
rc = fsi_standby();
//clear out pipes
rc |= gpio_write(&fsi_data,0);
rc |= gpio_clock_cycle(&fsi_clk,256);
rc |= gpio_write(&fsi_data,1);
rc |= gpio_clock_cycle(&fsi_clk,50);
if(rc!=GPIO_OK) { break; }
rc = fsi_bitbang(attnA);
rc |= fsi_standby();
rc |= fsi_bitbang(attnB);
rc |= fsi_standby();
rc |= fsi_bitbang(attnC);
rc |= fsi_standby();
if(rc!=GPIO_OK) { break; }
const gchar* flash_side = control_host_get_flash_side(host);
g_print("Using %s side of the bios flash\n",flash_side);
if(strcmp(flash_side,"primary")==0) {
rc |= fsi_bitbang(primary);
} else if(strcmp(flash_side,"golden") == 0) {
rc |= fsi_bitbang(golden);
} else {
g_print("ERROR: Invalid flash side: %s\n",flash_side);
rc = 0xff;
}
rc |= fsi_standby();
if(rc!=GPIO_OK) { break; }
rc = fsi_bitbang(go);
rc |= gpio_write(&fsi_data,1); /* Data standby state */
rc |= gpio_clock_cycle(&fsi_clk,2);
rc |= gpio_write(&fsi_clk,0); /* hold clk low for clock mux */
rc |= gpio_write(&fsi_enable,0);
rc |= gpio_clock_cycle(&fsi_clk,16);
rc |= gpio_write(&fsi_clk,0); /* Data standby state */
} while(0);
if(rc != GPIO_OK)
{
g_print("ERROR HostControl: GPIO sequence failed (rc=%d)\n",rc);
} else {
control_emit_goto_system_state(control,"HOST_BOOTING");
}
gpio_close(&fsi_clk);
gpio_close(&fsi_data);
gpio_close(&fsi_enable);
gpio_close(&cronus_sel);
gpio_close(&Throttle);
gpio_close(&idbtn);
// Start watchdog with 30s timeout per the OpenPower Host IPMI Spec.
// Once the host starts booting, it'll reset and refresh the timer.
error = NULL;
proxy = g_dbus_proxy_new_sync(connection,
G_DBUS_PROXY_FLAGS_NONE,
NULL, /* GDBusInterfaceInfo* */
"org.openbmc.watchdog.Host", /* name */
"/org/openbmc/watchdog/host0", /* object path */
"org.openbmc.Watchdog", /* interface name */
NULL, /* GCancellable */
&error);
g_assert_no_error(error);
if(error)
goto exit;
// Set watchdog timer to 30s
error = NULL;
result = g_dbus_proxy_call_sync(proxy,
"set",
g_variant_new("(i)", 30000),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_no_error(error);
if (error)
goto exit;
if (result)
g_variant_unref(result);
// Start watchdog timer
error = NULL;
result = g_dbus_proxy_call_sync(proxy,
"start",
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_no_error(error);
if (error)
goto exit;
control_host_emit_booted(host);
exit:
if (result)
g_variant_unref(result);
return TRUE;
}
